A code of conduct. Similar to I don't care if you fuck chickens but less judgemental.
40 oz. express: I had to take my mom to the retirement home.
Johnny: Did you pick up some skank while you were there (a refrence to 40 liking "mature" women)?
40: ...easy. Never bag on another mans fetish.
Johnny: You're right 40. I'm sorry
40: No problem, Johnny. You download any good goth porn lately?
Johnny: Nah, I'm into preggo these days.